JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://maps.googleapis.com/maps/api/js?v=3.exp&amp;signed_in=true"></script>
<div id="map-canvas"></div>

CSS

html, body, #map-canvas {
        height: 100%;
        margin: 0px;
        padding: 0px
      }

JavaScript

function initialize() {

    var mapOptions = {
        center: new google.maps.LatLng(50.2014, 8.5804),
        zoom: 16,
        mapTypeId: google.maps.MapTypeId.ROADMAP,
        scrollwheel: false,
        panControl: true,
        draggable: false
    };

    var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);

    var contentString = '<div id="mapinfo_box" style="color:#666;max-width:280px;">' +
        '<h1 id="mapinfo_h1">Schmerzzentrum</h1>' +
        '<div id="mapinfo_body">' +
        '<p style="font-size:16px;margin-bottom:15px;">Rathausplatz 6 <br />61440 Oberursel (Taunus)</p>' +
        '</div>';

    var infowindow = new google.maps.InfoWindow({
        content: contentString
    });

    var marker = new google.maps.Marker({
        map: map,
        position: new google.maps.LatLng(50.2014, 8.5804),
        title: "Schmerzzentrum"
    });



    google.maps.event.addListener(marker, 'click', function() {
        infowindow.open(map, marker);
    });

}


google.maps.event.addDomListener(window, 'resize', initialize);
google.maps.event.addDomListener(window, 'load', initialize);